hits calling on new york state to halt shale gas development. in other parts of the country, people have been out on the streets protesting. their concern is method of extraction, known as fracking. currently, four states in 300 municipalities have regulations for it. fracking, a technique used to extract shale gas and oil from rock formations, 2 to 3,000 meters underground. pressurized water treated with chemicals is pumped into layers of shale bedrock, opening up cracks in it. after the water is pumped out, the gas and oil are released and collected. however, a growing number of people are alarmed by the potential damage to the environment from the chemically treated water. the state of wyoming has a booming shell gas industry, but reports are suggesting that it's affecting people's well water.